Rounding transform and its application for lossless pyramid structured coding.

Jung, H Y; Choi, T Y; Prost, R · IEEE Trans Image Process · 1998

basic_science · Level V

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Abstract

A new transform, called the rounding transform (RT), is introduced in this paper. This transform maps an integer vector onto another integer vector by using weighted average and difference filters followed by a rounding operation. The RT can be applied to lossless pyramid structured coding with various elementary block sizes and filters. In addition, it generalizes other mean based lossless pyramid structured coding schemes.